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| /openbmc/linux/io_uring/ |
| H A D | net.c | 5702196e Thu Jun 30 04:12:22 CDT 2022 Dylan Yudaken <dylany@fb.com> io_uring: allow iov_len = 0 for recvmsg and buffer select
When using BUFFER_SELECT there is no technical requirement that the user
actually provides iov, and this removes one copy_from_user call.
So allow iov_len to be 0.
Signed-off-by: Dylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220630091231.1456789-4-dylany@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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